./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d6678868f165c4dda1e615b0f5d66797a7e8aaae .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:16:41,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:16:41,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:16:41,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:16:41,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:16:41,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:16:41,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:16:41,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:16:41,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:16:41,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:16:41,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:16:41,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:16:41,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:16:41,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:16:41,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:16:41,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:16:41,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:16:41,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:16:41,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:16:41,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:16:41,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:16:41,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:16:41,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:16:41,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:16:41,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:16:41,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:16:41,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:16:41,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:16:41,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:16:41,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:16:41,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:16:41,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:16:41,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:16:41,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:16:41,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:16:41,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:16:41,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:16:41,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:16:41,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:16:41,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:16:41,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:16:41,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:16:41,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:16:41,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:16:41,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:16:41,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:16:41,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:16:41,701 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:16:41,702 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:16:41,702 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:16:41,702 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:16:41,702 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:16:41,702 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:16:41,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:16:41,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:16:41,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:16:41,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:16:41,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:16:41,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:16:41,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:16:41,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:16:41,705 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:16:41,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:16:41,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:16:41,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:16:41,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:16:41,706 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:16:41,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:16:41,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:16:41,707 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:16:41,708 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:16:41,708 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6678868f165c4dda1e615b0f5d66797a7e8aaae [2019-11-16 00:16:41,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:16:41,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:16:41,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:16:41,747 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:16:41,747 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:16:41,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-11-16 00:16:41,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/data/b152a8eaf/89134fc2599346faa91dab6387700574/FLAG1969d1f27 [2019-11-16 00:16:42,171 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:16:42,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-11-16 00:16:42,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/data/b152a8eaf/89134fc2599346faa91dab6387700574/FLAG1969d1f27 [2019-11-16 00:16:42,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/data/b152a8eaf/89134fc2599346faa91dab6387700574 [2019-11-16 00:16:42,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:16:42,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:16:42,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:16:42,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:16:42,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:16:42,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e02ab2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42, skipping insertion in model container [2019-11-16 00:16:42,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:16:42,218 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:16:42,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:16:42,465 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:16:42,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:16:42,503 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:16:42,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42 WrapperNode [2019-11-16 00:16:42,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:16:42,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:16:42,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:16:42,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:16:42,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:16:42,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:16:42,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:16:42,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:16:42,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... [2019-11-16 00:16:42,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:16:42,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:16:42,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:16:42,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:16:42,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cec4d5e-fb00-47a9-8b8a-acfa4932440b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:16:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:16:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:16:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-16 00:16:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-16 00:16:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-16 00:16:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-16 00:16:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:16:42,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:16:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:16:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:16:42,802 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:16:42,802 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:16:42,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:16:42 BoogieIcfgContainer [2019-11-16 00:16:42,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:16:42,804 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:16:42,804 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:16:42,807 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:16:42,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:16:42,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:16:42" (1/3) ... [2019-11-16 00:16:42,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ed38180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:16:42, skipping insertion in model container [2019-11-16 00:16:42,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:16:42,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:16:42" (2/3) ... [2019-11-16 00:16:42,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ed38180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:16:42, skipping insertion in model container [2019-11-16 00:16:42,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:16:42,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:16:42" (3/3) ... [2019-11-16 00:16:42,812 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex7B.i [2019-11-16 00:16:42,885 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:16:42,885 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:16:42,885 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:16:42,885 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:16:42,886 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:16:42,886 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:16:42,886 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:16:42,886 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:16:42,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-16 00:16:42,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-16 00:16:42,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:16:42,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:16:42,964 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-16 00:16:42,964 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-16 00:16:42,964 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:16:42,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-16 00:16:42,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-16 00:16:42,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:16:42,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:16:42,969 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-16 00:16:42,969 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-16 00:16:42,977 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet8; 11#L43true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2019-11-16 00:16:42,979 INFO L793 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 17#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset; 5#L31true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 13#fENTRYtrue [2019-11-16 00:16:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:16:42,984 INFO L82 PathProgramCache]: Analyzing trace with hash 39794, now seen corresponding path program 1 times [2019-11-16 00:16:42,994 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:16:42,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069167885] [2019-11-16 00:16:42,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:42,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:42,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:16:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,163 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:16:43,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:16:43,164 INFO L82 PathProgramCache]: Analyzing trace with hash 28764888, now seen corresponding path program 1 times [2019-11-16 00:16:43,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:16:43,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380044248] [2019-11-16 00:16:43,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:43,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:43,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:16:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,218 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:16:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:16:43,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1102237191, now seen corresponding path program 1 times [2019-11-16 00:16:43,220 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:16:43,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152032682] [2019-11-16 00:16:43,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:43,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:16:43,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:16:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:16:43,323 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:16:43,863 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-11-16 00:16:43,997 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-16 00:16:44,252 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-16 00:16:44,595 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-11-16 00:16:44,727 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-11-16 00:16:44,876 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-16 00:16:44,958 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:16:44,959 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:16:44,959 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:16:44,959 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:16:44,959 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:16:44,959 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:16:44,959 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:16:44,960 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:16:44,960 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex7B.i_Iteration1_Lasso [2019-11-16 00:16:44,960 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:16:44,960 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:16:44,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:44,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:44,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:44,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:44,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,211 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-11-16 00:16:45,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:16:45,802 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:16:45,807 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:16:45,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,811 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,811 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,812 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,812 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,814 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,814 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,818 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,818 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,818 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,818 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,819 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,819 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,819 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,821 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,821 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,822 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,822 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,822 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,822 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,823 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,825 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,825 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,825 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,825 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,825 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,826 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,826 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,828 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,828 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,829 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,829 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,829 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,830 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,830 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,832 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,832 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,832 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,832 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,833 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,833 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,833 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,835 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,835 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,836 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,836 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,836 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,836 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,837 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,838 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,839 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,839 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,839 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,839 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,840 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,840 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,842 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,842 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,842 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,842 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,843 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,843 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,843 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,845 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,846 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,846 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,846 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,846 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,847 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,847 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,849 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,849 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,849 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,850 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,850 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,850 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,850 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,852 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,852 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,853 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,853 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,853 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,854 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,855 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,856 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,856 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,856 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,858 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:16:45,858 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:16:45,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,862 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,862 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,863 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,863 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,863 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,864 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,866 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,866 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,866 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,866 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,866 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,867 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,867 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,869 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,869 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,870 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,870 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,870 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,870 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,871 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,873 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,873 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,873 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,873 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,874 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,874 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,874 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,876 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,876 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,876 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,877 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,877 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,877 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,877 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,879 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,880 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,880 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,880 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,880 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,881 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,881 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,883 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,883 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,883 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,883 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,884 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,884 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,884 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,887 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,887 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,887 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,887 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,887 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,888 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,888 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,890 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,890 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,890 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,890 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,891 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,891 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,891 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,893 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,893 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,894 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,894 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,894 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,894 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,895 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,896 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,897 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,897 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,897 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,897 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,898 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,898 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,900 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,900 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,900 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,900 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,902 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:16:45,902 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:16:45,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,907 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,907 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,907 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,907 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,907 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,908 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,908 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,910 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,910 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,910 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,911 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,911 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,911 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,912 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,914 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,914 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,914 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,914 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,915 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,915 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,917 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,924 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,924 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,925 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,925 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,925 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,925 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,928 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,928 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,928 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,928 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,928 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,931 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,932 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,933 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,934 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:16:45,936 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,936 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,936 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,937 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:16:45,937 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:16:45,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:16:45,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:16:45,941 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:16:45,941 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:16:45,941 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:16:45,941 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:16:45,945 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:16:45,947 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:16:46,001 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:16:46,026 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:16:46,026 INFO L444 ModelExtractionUtils]: 12 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-16 00:16:46,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:16:46,030 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-16 00:16:46,030 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:16:46,031 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 2*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 2*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 + 1 Supporting invariants [] [2019-11-16 00:16:46,040 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-16 00:16:46,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:16:46,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:16:46,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:16:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:16:46,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:16:46,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:16:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:16:46,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-16 00:16:46,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:16:46,203 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:16:46,203 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-16 00:16:46,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:16:46,212 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:16:46,249 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:16:46,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 77 [2019-11-16 00:16:46,252 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:16:46,297 INFO L567 ElimStorePlain]: treesize reduction 42, result has 58.0 percent of original size [2019-11-16 00:16:46,298 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:16:46,298 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:37 [2019-11-16 00:16:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:16:46,408 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-16 00:16:46,410 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 6 states. [2019-11-16 00:16:46,602 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 6 states. Result 32 states and 36 transitions. Complement of second has 20 states. [2019-11-16 00:16:46,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2019-11-16 00:16:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-16 00:16:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-16 00:16:46,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 5 letters. [2019-11-16 00:16:46,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:16:46,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2019-11-16 00:16:46,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:16:46,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-16 00:16:46,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:16:46,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2019-11-16 00:16:46,615 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:16:46,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-16 00:16:46,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:16:46,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:16:46,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:16:46,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:16:46,619 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:16:46,620 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:16:46,620 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:16:46,620 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:16:46,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:16:46,620 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:16:46,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:16:46,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:16:46 BoogieIcfgContainer [2019-11-16 00:16:46,627 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:16:46,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:16:46,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:16:46,627 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:16:46,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:16:42" (3/4) ... [2019-11-16 00:16:46,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:16:46,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:16:46,643 INFO L168 Benchmark]: Toolchain (without parser) took 4453.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:16:46,643 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:16:46,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -264.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:16:46,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:16:46,645 INFO L168 Benchmark]: Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:16:46,645 INFO L168 Benchmark]: RCFGBuilder took 243.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:16:46,646 INFO L168 Benchmark]: BuchiAutomizer took 3822.38 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 43.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.4 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:16:46,647 INFO L168 Benchmark]: Witness Printer took 14.45 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:16:46,654 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -264.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 243.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3822.38 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 43.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.4 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. * Witness Printer took 14.45 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 2 * unknown-#memory_int-unknown[q][q] + 1 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 5 SDslu, 5 SDs, 0 SdLazy, 41 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf100 lsp97 ukn71 mio100 lsp25 div100 bol100 ite100 ukn100 eq186 hnf88 smp100 dnf147 smp93 tf100 neg88 sie148 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...